あおせんいき
Meanings
Noun
1. area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line) (1940s-1956)
Kanji used
blue
line
district
region
Pitch accent
おせんく
いき
Composed of
blue line; area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line) (1940s-1956); non-legal public waterway (denoted by a blue line on cadastral maps; sometimes no longer physically existing)
limits; boundary; domain; area (e.g. in programming languages)
Composed of
blue; azure; green; green light (traffic); black (horse coat color); blue 5-point card; immature
train line; bus line
region; limits; stage; level